At what temperature will the rms speed o...

At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth's atmsphere? [ Given, mass of oxygen molecule (m) = `2.76xx10^(-26)` kg, Boltzmann's constant `k_(B) = 1.38 xx 10^(-23) Jcdot K^(-1)` ]

`2.508xx10^4K`

`1.254xx10^4K`

`5.016xx10^4K`

`8.360xx10^4K`

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At what temperature will the average velocity of oxygen molecules be sufficient to escape from the earth. Given mass of oxygen molecule = 5.34 xx 10^(-26) kg . Boltzmann constant, k = 1.38 xx 10^(-23) J "molecule"^(-1) K^(-1) . Escape velocity of earth = 11.0 km s^(-1) .

At what temperature , will the rms speed of oxygen molecules be sufficient for escaping from the earth ? Taken m = 2.76 xx 10^(-26) kg, k = 1.38 xx 10^(-23) J//K and v_(e) = 11.2 km//s .

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